<style lang="stylus">
  .main-container
    margin-left 200px
    height 100%
    min-height 500px
    background green
    div 
      font-size 12px
      color #fff
      text-align center
</style>

<template>
  <div class="main-container">
    <div>我的主体部分</div>
  </div>
</template>

<script type="text/javascript">
  export default {
    data() {
      return {

      }
    }
  }
</script>